Guaranteed cost fuzzy controllers for a class of uncertain nonlinear dynamic systems



Título del documento: Guaranteed cost fuzzy controllers for a class of uncertain nonlinear dynamic systems
Revue: Computational & applied mathematics
Base de datos: PERIÓDICA
Número de sistema: 000267932
ISSN: 1807-0302
Autores: 1
Instituciones: 1Universidade de Sao Paulo, Departamento de Engenharia Eletrica, Sao Carlos, Sao Paulo. Brasil
Año:
Periodo: Ene-Abr
Volumen: 24
Número: 1
Paginación: 51-63
País: Brasil
Idioma: Inglés
Tipo de documento: Artículo
Enfoque: Analítico, descriptivo
Resumen en inglés Stability analysis and a systematic robust fuzzy control design for uncertain nonlinear systems with polytopic uncertainties are presented. The approach given uses the T-S fuzzy systems which are represented by a family of local uncertain linear systems with aggregation. The resulting fuzzy controller is a blending of state feedback gains obtained from a guaranteed cost control (GCC) problem. A sufficient condition for the robust stability of the feedback T-S fuzzy system with uncertainties using a quadratic Lyapunov function is given. A feature of the proposed approach is that an upper bound on the guaranteed cost is minimized by solving an optimization problem with linear matrix inequalities (LMIs)
Disciplinas: Matemáticas,
Ingeniería
Palabras clave: Matemáticas aplicadas,
Ingeniería eléctrica,
Control difuso,
Control robusto,
Sistemas inciertos,
Control de costos,
Sistemas no lineales
Keyword: Mathematics,
Engineering,
Applied mathematics,
Electrical engineering,
Fuzzy control,
Robust control,
Uncertain systems,
Costs control,
Nonlinear systems
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